Product Description
- Heavy hex structural bolts are designed to withstand the load of a steel-to-steel connection.
- Commonly used in structural steel joint in construction and building applications.
- The washer face under the head provides a precision bearing surface.
- The chamfered point improves engagement with a nut or pre-tapped hole.
- Diameter (Nominal): 1-1/4"
- Thread Pitch: 7
- Diameter (Dimension): 1.25"
- Diameter (Minimum): 1.223"
- Diameter (Maximum): 1.277"
- Length (Nominal): 4"
- Length (Minimum): 3.75"
- Length (Maximum): 4"
- Thread Length (Nominal): 2"
- Across Flats (Basic): 2"
- Across Flats (Minimum): 1.938"
- Across Flats (Maximum): 2.000"
- Head Height, Overall: 25/32"
- Head Height, Overall (Minimum): 0.749"
- Head Height, Overall (Maximum): 0.813"
- Category: Hex Bolts, Heavy Structural
- System of Measurement: Inch
- Brand: Aspen Fasteners
- Head Style: Hex Head
- Head Style Detail: Washer Face
- Drive Style: External Hex Drive
- Pitch: Coarse Thread
- Thread Length: Part Thread
- Thread Direction: Right-Hand Thread
- Point: Chamfered Point
- Material: Steel
- Material Grade: ASTM A325 Type 1
- Material Processes: Heat Treated
- Coating: Uncoated
- Hardness Rating: Rockwell C24-C35
- Origin: Made in U.S.A.
- Standards and Specifications: ASME B18.2.6
Product Videos
Custom Field
Origin Made in U.S.A.
Diameter (Maximum) 1.277"
Diameter (Nominal) 1-1/4"
Material Steel
Across Flats (Maximum) 2.000"
Length (Maximum) 4"
Thread Direction Right-Hand Thread
Thread Length (Nominal) 2"
Diameter (Dimension) 1.25"
Drive Style External Hex Drive
Head Style Hex Head
Product Class Externally Threaded Fasteners
cad_3d_viewer_url https||//3d.aspenfasteners.com/viewer/?cad_model=obj/BO040-1147X4
Across Flats (Basic) 2"
Head Height, Overall 25/32"
Standards and Specifications ASME B18.2.6
Brand Aspen Fasteners
Material Grade ASTM A325 Type 1
System of Measurement Inch
Head Height, Overall (Minimum) 0.749"
Head Style Detail Washer Face
Hardness Rating Rockwell C24-C35
Across Flats (Minimum) 1.938"
Diameter (Minimum) 1.223"
Coating Uncoated
Length (Minimum) 3.75"
Category Hex Bolts, Heavy Structural
POS BO040-1147X4-000015,BO040-1147X4-000100
Thread Pitch 7
Pitch Coarse Thread
Length (Nominal) 4"
Material Processes Heat Treated
Head Height, Overall (Maximum) 0.813"
Order Machine Thread Fasteners
Point Chamfered Point
Thread Length Part Thread